Window lock



April 13 1926.

S. KRAUSE WINDOW Loox 'Filed Dec. l5,` 1924 fNVEh/Toza 677* TOR/v5 To all whom fnayj'concemku they accompanying drawing,-forming partk Patenad Apr,k l13, 1926. l

STATES .I samurai.' rKmiiisn, or

vvUwrir'now'Locri. c,

1, 'ai appnctioaied December A15, 192e,seriall No.l risss'o. Y

Beit 'known thatl', SAMUEL, KRAUSE, ai

Ycitizen yof the United States, residingat the city of'St. Louis, Statel 'ofaMissourn have invented a certain n'ew andusefulflmprovement in ylflVindow Locks, of whichthe following is a specification, reference 'being had to thereof.' 2 Y A This invention relates toa certain new and' useful" improvement -inl Windowlocks and has'for its chief object the provision offa lock adapted for conveniently' securingthe sashes ofv a window, lboth upper'` and lower, against relative movement, the. lock beingV 1 f1 simpleI and inexpensive :in: form and conure l, and in sash-unlocked disengagementy struction -and comprising few Vco-operatingy and readily installed parts. f. Y

And with the above and other'objects vin view, my invention resides in the novel features of form, construction, arrangement, and combination of parts hereinafter described and pointed out in the claims.

In the accompanying drawing- .c Figure Vl isa fragmental elevational View of a window and its sashes equipped with a lock embodying my invention, the Vco-operating parts of the lock being in sash-locking engagement;` l

Figure 2 is a similar view with the parts of the lock in disengagement and the sashes of the window unlocked; and

' Figure 3 is a somewhat enlarged sectional plan view with the parts of the lock in sashlocking engagement in full lines as in Figin dotted lines as in Figure 2. Y

Referring now more in detail and by reference characters to the drawing, which il-` lustrates a preferred embodiment .of my invention, Av` designates a window-frame, and B and C the upper and .lower sashes, respectively, arranged for relative slidable movement in the frame A, as will be well understood. y

Fixed at its shank l in one of the sidemembers 2 of the upper sash B toY extend over the lower member 3 thereof andv approximately parallel with the inner face or plane of the glass 4, is one of the lock-mem-y bers D, which is preferably in the form of an angular hook Yhaving its bill 5 presented downwardly towards the upper member 6 of the lower sashC.

E designates theco-operating member of the lock, which is preferably in the formof r, Asubstantially L-shaped hook, as bestpseen "e in yFigures'l 'and 2. vAsthere-showmlocki member E comprises a base `or shank v'jdisll posed approximately flatwise upon the 'upper face ofthe upper member 6 of lower sash C, a bill 8 lextendingsomewhat over and lapproXimatelyparallel with: shank `7 and having an aperture 9 for accomodating the', bill 5 of hook-member'D, and apiece 10 connectings'hank'' and .bill` 8, the member:

veas' 'Ebeing attached orySecured, as by means ,ofv

a-screw-pin or'the like'll projected through its -shanlr and intothe sash-member 6,*for` swivelling` or swinging movementy relative relation tothe upper sash hook D l tothe window-sashes and inno-operative v"It will be understood, that, vwhile-" 1 here Y, l

merely show 'the lock-members D and E upon the l right-hand sidel ofV the Window# frame 'A, they yare preferably duplicated upon the'other 'or lefthand side "of the window. It will also be understood that the lock-rnembersD may be fixed upon the up'' tance of relative mo-vement, ifv any, desired f in the lower sash C when the lock-members` D and E are in engaging registration. In the present instance, the lock-members D are fixed inthe side-members 2 of the upper sash B, say, at a distance of five inches from the lower-member1 3 ofthe sash, vthereby permitting relative-movement ofthe lowersash C through a'correspondingdistance when the lock-members D `and Ev are in `engaging registration. Normally, as when the lockmembers are in such engaging registrati-on, the lower lockmember E is lswung to project at its shank 7 and billl 8 over and at approximately right angles to the upper member 6 Vof* the lower sash. When in such registration, it will now become evident that, though the lower ysash vC may be opened to a corresponding distance of five inches, as for room-Ventilating purposes, the bill 5 of the member D` will engage in the aperture 9 of the bill y8 of the member E as soon as j C, when further movement of the upper sash will be similarly securely prevented. A swinging of the lower lock-member E to project in parallelism over the upper member of the sash C, as shown in full lines in .Figure 2 and as indicated by dotted lines in Figure 3, permits both sashes of the wind-ow to be opened to their full limit.

Thus, by means of my new lock, which is exceedingly simple and most conveniently installed, I am enabled to either lock both sashes of the window against any relative member or to permit relative opening movement of the sashes through selected distances within the limits of their frame.

`I am aware that minor changes in the form, construction, arrangement, and combination of the several parts of my new lock may be made and substituted for those herein Shown and described'without departing from. the nature and principle off my invention.

Having thus described my invention, what I claim and desire to secure by Letters Patent is:

l.V A window-lock including a hook-member adapted for rigid securement upon the side member of the upper sash to extend over and approximately parallel with the lower member thereof, the bill of the hook hook-member being adapted for pivotal Se- Y oui-ement at its shank upon the upper member of the lower sash to swing into and out of engaging registration at its apertured bill with the bill of the lirst hook-member.

Q. In combination with a window-frame and its rela-tively slidable upper and lower sashes, of a hook-member rigidly fixed upon the side member of the upper sash to extend over and approximately parallel with the lower member thereof, the bill of the hook being presented downwardly, and a cooperating hook-member including a shank, an apertured bill disposed over and approximately parallel with the shank, and a piece connecting' billy and shank, the, second hookmember being swivelled upon the upper member of the lower sash to swing into and out of engaging registration at its apertured bill with the bill of the first hook-member.

In testimony whereof, I have signed Vmy name tothis specilication,

sAMUnL Kernen. 

